Question

if x^2+8x+m is divided by x+3 remainder = 3. Find m​

Answer 1

Answer:

zero of x+3 is -3

x²+8x+m=3

(-3)²+8(-3)+m=3

9-24+m=3

-15+m=3

m=3+15

m=18

Answer 2

Answer:

18

Step-by-step explanation:

remainder = m-15

but we have remainder = 3

m-15=3

m=18